Zscaler Shares Jump 2.79% on $450M Surge in Trading Volume Climb to 229th in Dollar Volume Amid Cybersecurity Sector Momentum

Zscaler (ZS) saw a 2.79% price increase on Sept. 26, 2025, with a trading volume of $0.45 billion, up 85.69% from the previous day. This marked the stock’s 229th rank in terms of dollar volume among equities traded that session, reflecting heightened investor interest amid strategic market positioning.

The surge in volume and price aligns with broader trends in the cybersecurity sector, where Zscaler’s cloud-focused infrastructure solutions remain a focal point for institutional buyers. Analysts noted that the stock’s performance could be attributed to renewed momentum in enterprise technology adoption, though no company-specific catalysts were highlighted in the provided data.

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